Home / 15,755,647.60-23,633,471.40-9,018,521.20

Finding the Fourth Proportional to 15,755,647.60, 23,633,471.40 and 9,018,521.20

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Solution

The fourth proportional to 15,755,647.60, 23,633,471.40 and 9,018,521.20 is: 13,527,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755,647.60 : 23,633,471.40 = 9,018,521.20 : x
  2. Step 2: Convert to fraction form
    15,755,647.60/23,633,471.40 = 9,018,521.20/x
  3. Step 3: Cross multiply
    15,755,647.60x = 23,633,471.40 × 9,018,521.20
  4. Step 4: Simplify right side
    15,755,647.60x = 213,138,962,850,493.66
  5. Step 5: Solve for x
    x = 213,138,962,850,493.66/15,755,647.60
  6. Step 6: Final answer
    x = 13,527,781.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.